Load counterbalancing mechanisms

Supports – Resilient support – Constant thrust

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Details

248576, F16M 1300

Patent

active

045574596

ABSTRACT:
A load counterbalancing mechanism wherein the mechanically actuated interaction of two independent spring systems, one of which is adjustable, provides the necessary counterbalancing forces to balance the torque forces set up by a load being raised, lowered or tilted about a point on which it is pivoted. Various loads are therefore accommodated by the adjustable spring system.

REFERENCES:
patent: 626873 (1899-06-01), Senderling
patent: 887117 (1908-05-01), Parfrey
patent: 1873054 (1932-08-01), Sheldrick
patent: 2467478 (1949-04-01), Hollingsworth
patent: 2596209 (1952-05-01), Chausson
patent: 3179364 (1965-04-01), Jackson et al.
patent: 4387876 (1983-06-01), Nathan

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